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# Newtonian mechanics and special relativity?

I need help with the following questions:

A muon has a lifetime of 2.2x10^-6 s when at rest, after which time it decays into other particles.

a)ignore any effects of relativity discussed in this lesson, if the muon was moving at 0.99c how far would it travel before decaying into other particles, according to newtonian mechanics?

b) how long would the muon last according to an observer in the Earth's frame of reference who viewed the muon moving at 0.99c?

c) How far would the muon actually travel, when viewed moving at 0.99c?

d) Compare the distances travelled. Explain why this type of evidence is excellent support for the theory of relativity.

Any and all help is appreciated!
by OzoneGuy
Member since:
January 29, 2010
Total points:
104,226 (Level 7)

Thanks

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